Trimethylglycine (TMG) is also called glycine betaine, but the name “trimethylglycine” signifies that it has three methyl groups attached to each molecule of glycine. In the body, TMG donates one of its methyl groups to cellular DNA, which may help protect DNA against damage and its consequences, cancer and premature aging. TMG may also be beneficial in preventing heart disease, and that may increase energy and stamina.
Trimethylglycine (TMG) is available in capsules and bulk powder.